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"I did this with 3 pieces of once fired brass (not from my rifle but a friends 7mm WSM) and i still am not able to close the bolt. "
Do your loaded rounds chamber in his rifle?

Sent from my...

I would draw all over the resized case with a vivid/sharpie/highlighter. Then try chambering it, then look for rubbed of ink on the case. Should tell you where the contact point is. If it's rubbed on...